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Cheap flights from London Heathrow Airport to Guam from £1,056

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GUM
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Guam

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Guam
Explore the most affordable flight options available from Heathrow to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Fri 13/1114:15
LHR
-
GUM
2 stops28h 05m
Philippine Airlines
Tue 17/1106:00
GUM
-
LHR
2 stops34h 25m
Philippine Airlines
Deal found 7/6£1,056
Mon 28/915:05
LHR
-
GUM
2 stops28h 15m
Philippine Airlines
Mon 12/1006:00
GUM
-
LHR
2 stops33h 25m
Philippine Airlines
Deal found 7/6£1,072
Sat 28/1114:15
LHR
-
GUM
2 stops28h 05m
Philippine Airlines
Wed 2/1206:00
GUM
-
LHR
2 stops34h 25m
Philippine Airlines
Deal found 8/6£1,100
Mon 28/919:35
LHR
-
GUM
1 stop35h 00m
Korean Air
Mon 12/1017:20
GUM
-
LHR
1 stop33h 00m
Korean Air
Deal found 9/6£1,168
Wed 8/708:25
LHR
-
GUM
2 stops34h 55m
Multiple Airlines
Wed 15/706:00
GUM
-
LHR
2 stops33h 25m
Multiple Airlines
Deal found 8/6£1,304

Find flight deals from Heathrow to Guam

Keep the following information in mind while searching for Heathrow to Guam flight deals. Data was last updated 10 June 2026.

Round-trip from

£1,056
Philippine Airlines
  • Philippine Airlines
  • 13/11-17/11
  • 4 total stops
  • 62h 30m total
  • London to Guam
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Guam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Guam that are best for you.

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Price

Cheapest return flight

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 13/11

14:15-04:20

2 stops28h 05m

Tamuning Guam Intl

Tue 17/11

06:00-06:25

2 stops34h 25m

£1,056

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

15:05-04:20

2 stops28h 15m

Tamuning Guam Intl

Mon 12/10

06:00-06:25

2 stops33h 25m

£1,097

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 28/11

14:15-04:20

2 stops28h 05m

Tamuning Guam Intl

Wed 2/12

06:00-06:25

2 stops34h 25m

£1,100
Fastest return journey

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Mon 12/10

17:20-17:20

1 stop33h 00m

£1,168

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 8/7

08:25-04:20

2 stops34h 55m

Tamuning Guam Intl

Wed 15/7

06:00-06:25

2 stops33h 25m

£1,304

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 13/11

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Tue 17/11

16:50-16:30

1 stop33h 40m

£1,325

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 28/11

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Wed 2/12

16:50-16:30

1 stop33h 40m

£1,325

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Sorted by cheapest first

Best time to book a flight from Heathrow to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Guam
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Guam?

    Departing from London Heathrow Airport to Guam will take you 28h 05m. The distance between London Heathrow Airport and Guam is about 7483 mi.

  • Can I find deals for flights from Heathrow to Guam that include hotel bookings?

    Yes. In addition to deals on Heathrow to Guam flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Guam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Guam.

  • Can I find deals for business class flights from Heathrow to Guam?

    Yes. Cheapflights offers flight deals from Heathrow to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Heathrow to Guam?

Cheapflights makes it easy to find Heathrow to Guam flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Guam for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Guam with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Guam flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Guam become cheaper?

Yes! Start tracking prices for Heathrow to Guam flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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